accuse vs slander

accuse is not a noun while slander is a noun.

Word	Noun	Adjective	Verb	Adverb
accuse	No	No	Yes	No
slander	Yes	No	Yes	No

As verbs, slander is a hyponym of accuse; that is, slander is a word with a more specific, narrower meaning than accuse:

accuse: blame for, make a claim of wrongdoing or misbehavior against
slander: charge falsely or with malicious intent; attack the good name and reputation of someone

accuse (noun)	slander (noun)
	an abusive attack on a person's character or good name
	words falsely spoken that damage the reputation of another

accuse (verb)	slander (verb)
bring an accusation against; level a charge against	charge falsely or with malicious intent; attack the good name and reputation of someone
blame for, make a claim of wrongdoing or misbehavior against